| District Site | |||||
| BENTON, VAN HORNE | WILLIAMSBURG | 7 | UNION, LAPORTE CITY | 2 | 0 |
| BENTON, VAN HORNE | BENTON, VAN HORNE | 10 | SOUTH TAMA COUNTY, TAMA | 0 | (5) |
| CARROLL | JEFFERSON-SCRANTON | 11 | PERRY | 4 | 0 |
| CARROLL | DENISON-SCHLESWIG | 9 | CARROLL | 2 | 0 |
| CENTERVILLE | FAIRFIELD | 6 | DAVIS COUNTY, BLOOMFIELD | 4 | 0 |
| CENTERVILLE | CENTERVILLE | 12 | CHARITON | 0 | (5) |
| DECORAH | OELWEIN | 4 | WAUKON | 3 | 0 |
| DECORAH | DECORAH | 12 | CRESTWOOD, CRESCO | 2 | (6) |
| FOREST CITY | WEBSTER CITY | 6 | FOREST CITY | 4 | 0 |
| FOREST CITY | CLEAR LAKE | 14 | ALGONA | 7 | 0 |
| HARLAN | HARLAN | 9 | GLENWOOD | 3 | 0 |
| HARLAN | CRESTON | 12 | ATLANTIC | 7 | 0 |
| LEMARS | SERGEANT BLUFF-LUTON | 20 | MOC-FLOYD VALLEY | 4 | (4) |
| LEMARS | BISHOP HEELAN CATHOLIC, SIOUX CITY | 7 | LEMARS | 2 | 0 |
| MAQUOKETA | MARION | 5 | MAQUOKETA | 0 | 0 |
| MAQUOKETA | ANAMOSA | 2 | CENTRAL CLINTON, DEWITT | 0 | 0 |
| MOUNT PLEASANT | MOUNT PLEASANT | 8 | WASHINGTON | 7 | 0 |
| MOUNT PLEASANT | FORT MADISON | 5 | KEOKUK | 1 | 0 |
| NORWALK | NORWALK | 10 | WINTERSET | 3 | 0 |
| NORWALK | A-D-M, ADEL | 12 | CLARKE, OSCEOLA | 4 | 0 |
| PELLA | PELLA | 10 | KNOXVILLE | 6 | 0 |
| PELLA | CARLISLE | 16 | GRINNELL | 6 | (6) |
| SAYDEL | SAYDEL | 17 | NEVADA | 1 | (4) |
| SAYDEL | DALLAS CENTER-GRIMES | 10 | BALLARD, HUXLEY | 5 | 0 |
| SPIRIT LAKE | STORM LAKE | 6 | SPIRIT LAKE | 2 | 0 |
| SPIRIT LAKE | ESTHERVILLE LINCOLN CENTRAL | 7 | SPENCER | 2 | 0 |
| WAVERLY-SHELL ROCK | WAVERLY-SHELL ROCK | 6 | NEW HAMPTON | 5 | 0 |
| WAVERLY-SHELL ROCK | CHARLES CITY | 15 | IOWA FALLS-ALDEN | 0 | (4) |
| WEST DELAWARE, MANCHESTER | WEST DELAWARE, MANCHESTER | 8 | WAHLERT, DUBUQUE | 4 | 0 |
| WEST DELAWARE, MANCHESTER | EPWORTH, WESTERN DUBUQUE | 13 | INDEPENDENCE | 0 | (5) |
| XAVIER, CEDAR RAPIDS | XAVIER, CEDAR RAPIDS | 7 | VINTON-SHELLSBURG | 4 | 0 |
| XAVIER, CEDAR RAPIDS | CLEAR CREEK-AMANA | 2 | MOUNT VERNON | 1 | 0 |